US4681394A - Light beam scanning system - Google Patents
Light beam scanning system Download PDFInfo
- Publication number
- US4681394A US4681394A US06/833,621 US83362186A US4681394A US 4681394 A US4681394 A US 4681394A US 83362186 A US83362186 A US 83362186A US 4681394 A US4681394 A US 4681394A
- Authority
- US
- United States
- Prior art keywords
- semiconductor lasers
- light
- light beam
- laser
- picture element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
- B23K26/0613—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams having a common axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
- B23K26/0821—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head using multifaceted mirrors, e.g. polygonal mirror
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
- B41B21/00—Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00
- B41B21/08—Light sources; Devices associated therewith, e.g. control devices
- B41B21/14—Combinations of light sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
- B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
- B41J2/473—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror using multiple light beams, wavelengths or colours
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/0283—Using a single or a few point light sources, e.g. a laser diode in combination with a light deflecting element, e.g. a rotating mirror
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
Abstract
|λi-λj|≧λiλjM/c
Description
|λi-λj|≧λiλjM/c
Δλ=|c/λi-c/λj|=c|.lambda.i-λj|/λiλj
M≦Δν=c|λi-λj|/λi.lambda.j
∴|λi-λj|≧λiλjM/c (1)
|λi-λj|=5×(780×10.sup.-9).sup.2 ×1×10.sup.6 /3×10.sup.8 ≈1×10.sup.-5 nm(2)
Claims (2)
|λi-λj|≧λiλjM/c
|λi-λj|≧5(λiλjM/c)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60040685A JPS61200524A (en) | 1985-03-01 | 1985-03-01 | Optical scanning device |
JP60-40685 | 1985-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
US4681394A true US4681394A (en) | 1987-07-21 |
Family
ID=12587395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/833,621 Expired - Lifetime US4681394A (en) | 1985-03-01 | 1986-02-27 | Light beam scanning system |
Country Status (2)
Country | Link |
---|---|
US (1) | US4681394A (en) |
JP (1) | JPS61200524A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4743091A (en) * | 1986-10-30 | 1988-05-10 | Daniel Gelbart | Two dimensional laser diode array |
US4805973A (en) * | 1985-04-03 | 1989-02-21 | Fuji Photo Film Co., Ltd. | Method of recording continuous tone image |
US4924321A (en) * | 1988-02-18 | 1990-05-08 | Fuji Photo Film Co., Ltd. | Method and apparatus for image read-out and reproduction, and multi-semiconductor-laser light source device for the same |
US4969699A (en) * | 1984-04-17 | 1990-11-13 | Fuji Photo Film Co., Ltd. | Light beam scanning apparatus |
WO1991008504A1 (en) * | 1989-11-30 | 1991-06-13 | Linotype-Hell Ag | Optical positioning system for at least one pixel |
US5206491A (en) * | 1990-03-02 | 1993-04-27 | Fujitsu Limited | Plural beam, plural window multi-direction bar code reading device |
EP0539217A2 (en) * | 1991-10-25 | 1993-04-28 | Tandy Corporation | Holographic elements for an optical recording system |
EP0559435A1 (en) * | 1992-03-05 | 1993-09-08 | International Business Machines Corporation | Improvements in holographic techniques |
US5291329A (en) * | 1991-07-15 | 1994-03-01 | Dainippon Screen Mfg. Co., Ltd. | Apparatus for recording an image |
US5475416A (en) * | 1992-06-03 | 1995-12-12 | Eastman Kodak Company | Printing system for printing an image with lasers emitting diverging laser beams |
US5691535A (en) * | 1996-02-08 | 1997-11-25 | Eastman Kodak Company | Ganged laser scanning system which corrects beam alignment along a bow-tie path |
US5936218A (en) * | 1995-12-14 | 1999-08-10 | Fujitsu Limited | Multiple plane bar code reader for reading optically encoded data |
US6322970B1 (en) | 1997-09-02 | 2001-11-27 | Sequenom, Inc. | Mass spectrometric detection of polypeptides |
US6631844B1 (en) | 1998-10-21 | 2003-10-14 | Fujitsu Limited | Optical scanner, code reader and bar code reader having increased degree of freedom in placement of optical parts |
WO2006037566A1 (en) * | 2004-10-06 | 2006-04-13 | Hentze-Lissotschenko Patentverwaltungs Gmbh & Co. Kg | Laser arrangement |
EP1681171A1 (en) * | 2005-01-13 | 2006-07-19 | Custom Engineering SpA | Laser writing head for printer |
US20100140235A1 (en) * | 2000-01-10 | 2010-06-10 | Yunlong Sun | Laser system for processing a memory link with a set of at least two laser pulses |
US20130155404A1 (en) * | 2011-12-14 | 2013-06-20 | Gwangju Institute Of Science And Technology | System for real-time analysis of material distribution in cigs thin film using laser-induced breakdown spectroscopy |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2756789B2 (en) * | 1988-01-29 | 1998-05-25 | コニカ株式会社 | Laser beam imaging optical system and radiation image capturing apparatus using the same |
CN110531103B (en) * | 2019-09-30 | 2021-08-10 | 浙江海洋大学 | Light velocity measuring method and device based on lissajous figures |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4509819A (en) * | 1981-11-12 | 1985-04-09 | Lincoln Laser Company | Optical beam pulse generator |
-
1985
- 1985-03-01 JP JP60040685A patent/JPS61200524A/en active Granted
-
1986
- 1986-02-27 US US06/833,621 patent/US4681394A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4509819A (en) * | 1981-11-12 | 1985-04-09 | Lincoln Laser Company | Optical beam pulse generator |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969699A (en) * | 1984-04-17 | 1990-11-13 | Fuji Photo Film Co., Ltd. | Light beam scanning apparatus |
US4805973A (en) * | 1985-04-03 | 1989-02-21 | Fuji Photo Film Co., Ltd. | Method of recording continuous tone image |
US4743091A (en) * | 1986-10-30 | 1988-05-10 | Daniel Gelbart | Two dimensional laser diode array |
US4924321A (en) * | 1988-02-18 | 1990-05-08 | Fuji Photo Film Co., Ltd. | Method and apparatus for image read-out and reproduction, and multi-semiconductor-laser light source device for the same |
US5570223A (en) * | 1989-11-30 | 1996-10-29 | Linotype-Hell Ag | Optical positioning system for at least one picture element |
WO1991008504A1 (en) * | 1989-11-30 | 1991-06-13 | Linotype-Hell Ag | Optical positioning system for at least one pixel |
US5661586A (en) * | 1989-11-30 | 1997-08-26 | Linotype-Hell Ag | Optical positioning system for at least one picture element |
US5387995A (en) * | 1989-11-30 | 1995-02-07 | Linotype-Hell Ag Corporation | Optical positioning system for at least one picture element |
US5801370A (en) * | 1990-03-02 | 1998-09-01 | Fujitsu Limited | Multi-directional bar code reading device |
US5206491A (en) * | 1990-03-02 | 1993-04-27 | Fujitsu Limited | Plural beam, plural window multi-direction bar code reading device |
US5291329A (en) * | 1991-07-15 | 1994-03-01 | Dainippon Screen Mfg. Co., Ltd. | Apparatus for recording an image |
EP0539217A3 (en) * | 1991-10-25 | 1993-09-29 | Tandy Corporation | Holographic elements for an optical recording system |
EP0539217A2 (en) * | 1991-10-25 | 1993-04-28 | Tandy Corporation | Holographic elements for an optical recording system |
EP0559435A1 (en) * | 1992-03-05 | 1993-09-08 | International Business Machines Corporation | Improvements in holographic techniques |
US5272690A (en) * | 1992-03-05 | 1993-12-21 | International Business Machines Corporation | Hologram element system |
US5475416A (en) * | 1992-06-03 | 1995-12-12 | Eastman Kodak Company | Printing system for printing an image with lasers emitting diverging laser beams |
US6728015B2 (en) | 1995-12-14 | 2004-04-27 | Fujitsu Limited | Bar code reader |
US5936218A (en) * | 1995-12-14 | 1999-08-10 | Fujitsu Limited | Multiple plane bar code reader for reading optically encoded data |
US6189795B1 (en) | 1995-12-14 | 2001-02-20 | Fujitsu Limited | Multiple plane bar code reader for reading optically encoded data |
US6462880B1 (en) | 1995-12-14 | 2002-10-08 | Fujitsu Limited | Bar code reader |
US5691535A (en) * | 1996-02-08 | 1997-11-25 | Eastman Kodak Company | Ganged laser scanning system which corrects beam alignment along a bow-tie path |
US6322970B1 (en) | 1997-09-02 | 2001-11-27 | Sequenom, Inc. | Mass spectrometric detection of polypeptides |
US6631844B1 (en) | 1998-10-21 | 2003-10-14 | Fujitsu Limited | Optical scanner, code reader and bar code reader having increased degree of freedom in placement of optical parts |
US20100140235A1 (en) * | 2000-01-10 | 2010-06-10 | Yunlong Sun | Laser system for processing a memory link with a set of at least two laser pulses |
US8338746B2 (en) | 2000-01-10 | 2012-12-25 | Electro Scientific Industries, Inc. | Method for processing a memory link with a set of at least two laser pulses |
US20070215583A1 (en) * | 2004-10-06 | 2007-09-20 | Hentze-Lissotschenko Patentverwaltungs Gmbh & Co. Kg | Laser configuration |
WO2006037566A1 (en) * | 2004-10-06 | 2006-04-13 | Hentze-Lissotschenko Patentverwaltungs Gmbh & Co. Kg | Laser arrangement |
US7810938B2 (en) | 2004-10-06 | 2010-10-12 | Limo Patentverwaltung Gmbh & Co. Kg | Laser configuration |
EP1681171A1 (en) * | 2005-01-13 | 2006-07-19 | Custom Engineering SpA | Laser writing head for printer |
US20130155404A1 (en) * | 2011-12-14 | 2013-06-20 | Gwangju Institute Of Science And Technology | System for real-time analysis of material distribution in cigs thin film using laser-induced breakdown spectroscopy |
US9157802B2 (en) * | 2011-12-14 | 2015-10-13 | Gwangju Institute Of Science And Technology | System for real-time analysis of material distribution in CIGS thin film using laser-induced breakdown spectroscopy |
Also Published As
Publication number | Publication date |
---|---|
JPS61200524A (en) | 1986-09-05 |
JPH0547083B2 (en) | 1993-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: FUJI PHOTO FILM CO., LTD., 210 NAKANUMA, MINAMIASH Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:NOGUCHI, MASARU;REEL/FRAME:004704/0850 Effective date: 19860225 Owner name: FUJI PHOTO FILM CO., LTD.,JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NOGUCHI, MASARU;REEL/FRAME:004704/0850 Effective date: 19860225 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
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Free format text: MAINTENANCE FEE HAS ALREADY BEEN PAID. REFUND IS SCHEDULED (ORIGINAL EVENT CODE: F160); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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FEPP | Fee payment procedure |
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